The Faxon Firearms AR-15 Pinned Gas Block is a premium 16-inch barrel designed for the 5.56x45 NATO cartridge. Weighing in at 1.47 lbs this barrel features a Gunner contour for optimal balance between rigidity and weight making it ideal for both tactical and sporting applications. Finished in sleek black nitride it offers enhanced durability and corrosion resistance. The mid-length gas system ensures smooth cycling and reliable performance. With a 1-8 twist rate this barrel provides excellent stability and accuracy for a variety of bullet weights. Compatible with standard AR-15 platforms it comes with 1/2-28 muzzle threads making it versatile for various muzzle devices or suppressor attachments.